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<title>class RSS::Converter - rss: Ruby Standard Library Documentation</title>


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    <li><a class="include" href="Utils.html">RSS::Utils</a>
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<!-- Method Quickref -->
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  <h3>Methods</h3>

  <ul class="link-list" role="directory">
    <li ><a href="#method-c-new">::new</a>
    <li ><a href="#method-i-convert">#convert</a>
    <li ><a href="#method-i-def_convert">#def_convert</a>
    <li ><a href="#method-i-def_else_enc">#def_else_enc</a>
    <li ><a href="#method-i-def_iconv_convert">#def_iconv_convert</a>
    <li ><a href="#method-i-def_same_enc">#def_same_enc</a>
    <li ><a href="#method-i-def_to_euc_jp_from_iso_2022_jp">#def_to_euc_jp_from_iso_2022_jp</a>
    <li ><a href="#method-i-def_to_euc_jp_from_shift_jis">#def_to_euc_jp_from_shift_jis</a>
    <li ><a href="#method-i-def_to_euc_jp_from_utf_8">#def_to_euc_jp_from_utf_8</a>
    <li ><a href="#method-i-def_to_iso_2022_jp_from_euc_jp">#def_to_iso_2022_jp_from_euc_jp</a>
    <li ><a href="#method-i-def_to_iso_8859_1_from_utf_8">#def_to_iso_8859_1_from_utf_8</a>
    <li ><a href="#method-i-def_to_shift_jis_from_euc_jp">#def_to_shift_jis_from_euc_jp</a>
    <li ><a href="#method-i-def_to_shift_jis_from_utf_8">#def_to_shift_jis_from_utf_8</a>
    <li ><a href="#method-i-def_to_utf_8_from_euc_jp">#def_to_utf_8_from_euc_jp</a>
    <li ><a href="#method-i-def_to_utf_8_from_iso_8859_1">#def_to_utf_8_from_iso_8859_1</a>
    <li ><a href="#method-i-def_to_utf_8_from_shift_jis">#def_to_utf_8_from_shift_jis</a>
    <li ><a href="#method-i-def_uconv_convert_if_can">#def_uconv_convert_if_can</a>
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    <div id='extraz'><div class='adzbox-index'  >
      
     </div>         
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    <main role="main" aria-labelledby="class-RSS::Converter">
    <h1 id="class-RSS::Converter" class="class">
      class RSS::Converter
    </h1>

    <section class="description">
    
    </section>

      <section id="5Buntitled-5D" class="documentation-section">





                <section id="public-class-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Class Methods</h3>
                </header>

                  <div id="method-c-new" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">new</span><span
                                class="method-args">(to_enc, from_enc=nil)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 10</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>=<span class="ruby-keyword">nil</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-string">&quot;&quot;</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:encode</span>)
    <span class="ruby-ivar">@to_encoding</span> = <span class="ruby-identifier">to_enc</span>
    <span class="ruby-keyword">return</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">normalized_to_enc</span> = <span class="ruby-identifier">to_enc</span>.<span class="ruby-identifier">downcase</span>.<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp">/-/</span>, <span class="ruby-string">&#39;_&#39;</span>)
  <span class="ruby-identifier">from_enc</span> <span class="ruby-operator">||=</span> <span class="ruby-string">&#39;utf-8&#39;</span>
  <span class="ruby-identifier">normalized_from_enc</span> = <span class="ruby-identifier">from_enc</span>.<span class="ruby-identifier">downcase</span>.<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp">/-/</span>, <span class="ruby-string">&#39;_&#39;</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">normalized_to_enc</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">normalized_from_enc</span>
    <span class="ruby-identifier">def_same_enc</span>()
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">def_diff_enc</span> = <span class="ruby-node">&quot;def_to_#{normalized_to_enc}_from_#{normalized_from_enc}&quot;</span>
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">def_diff_enc</span>)
      <span class="ruby-identifier">__send__</span>(<span class="ruby-identifier">def_diff_enc</span>)
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">def_else_enc</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                          </section>

                <section id="public-instance-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Instance Methods</h3>
                </header>

                  <div id="method-i-convert" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">convert</span><span
                                class="method-args">(value)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="convert-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 30</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">convert</span>(<span class="ruby-identifier">value</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">String</span>) <span class="ruby-keyword">and</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:encode</span>)
    <span class="ruby-identifier">value</span>.<span class="ruby-identifier">encode</span>(<span class="ruby-ivar">@to_encoding</span>)
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">value</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_convert" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_convert</span><span
                                class="method-args">(depth=0)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_convert-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 38</span>
    <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_convert</span>(<span class="ruby-identifier">depth</span>=<span class="ruby-value">0</span>)
      <span class="ruby-identifier">instance_eval</span>(<span class="ruby-identifier">&lt;&lt;-EOC</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">get_file_and_line_from_caller</span>(<span class="ruby-identifier">depth</span>))
<span class="ruby-value">      def convert(value)
        if value.kind_of?(String)
          #{yield(&#39;value&#39;)}
        else
          value
        end
      end
</span><span class="ruby-identifier">      EOC</span>
    <span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_else_enc" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_else_enc</span><span
                                class="method-args">(to_enc, from_enc)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_else_enc-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 68</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_else_enc</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>)
  <span class="ruby-identifier">def_iconv_convert</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>, <span class="ruby-value">0</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_iconv_convert" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_iconv_convert</span><span
                                class="method-args">(to_enc, from_enc, depth=0)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_iconv_convert-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 50</span>
    <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_iconv_convert</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>, <span class="ruby-identifier">depth</span>=<span class="ruby-value">0</span>)
      <span class="ruby-keyword">begin</span>
        <span class="ruby-identifier">require</span> <span class="ruby-string">&quot;iconv&quot;</span>
        <span class="ruby-ivar">@iconv</span> = <span class="ruby-constant">Iconv</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>)
        <span class="ruby-identifier">def_convert</span>(<span class="ruby-identifier">depth</span><span class="ruby-value">+1</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
          <span class="ruby-identifier">&lt;&lt;-EOC</span>
<span class="ruby-value">          begin
            @iconv.iconv(#{value})
          rescue Iconv::Failure
            raise ConversionError.new(#{value}, &quot;#{to_enc}&quot;, &quot;#{from_enc}&quot;)
          end
</span><span class="ruby-identifier">          EOC</span>
        <span class="ruby-keyword">end</span>
      <span class="ruby-keyword">rescue</span> <span class="ruby-constant">LoadError</span>, <span class="ruby-constant">ArgumentError</span>, <span class="ruby-constant">SystemCallError</span>
        <span class="ruby-identifier">raise</span> <span class="ruby-constant">UnknownConversionMethodError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>)
      <span class="ruby-keyword">end</span>
    <span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_same_enc" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_same_enc</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_same_enc-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 72</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_same_enc</span>()
  <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
    <span class="ruby-identifier">value</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_euc_jp_from_iso_2022_jp" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_euc_jp_from_iso_2022_jp</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_euc_jp_from_iso_2022_jp-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 132</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_euc_jp_from_iso_2022_jp</span>
  <span class="ruby-identifier">require</span> <span class="ruby-string">&quot;nkf&quot;</span>
  <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
    <span class="ruby-node">&quot;NKF.nkf(&#39;-Je&#39;, #{value})&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_euc_jp_from_shift_jis" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_euc_jp_from_shift_jis</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_euc_jp_from_shift_jis-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 118</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_euc_jp_from_shift_jis</span>
  <span class="ruby-identifier">require</span> <span class="ruby-string">&quot;nkf&quot;</span>
  <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
    <span class="ruby-node">&quot;NKF.nkf(&#39;-Se&#39;, #{value})&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_euc_jp_from_utf_8" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_euc_jp_from_utf_8</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_euc_jp_from_utf_8-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 102</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_euc_jp_from_utf_8</span>
  <span class="ruby-identifier">def_uconv_convert_if_can</span>(<span class="ruby-string">&#39;u8toeuc&#39;</span>, <span class="ruby-string">&#39;EUC-JP&#39;</span>, <span class="ruby-string">&#39;UTF-8&#39;</span>, <span class="ruby-string">&#39;-We&#39;</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_iso_2022_jp_from_euc_jp" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_iso_2022_jp_from_euc_jp</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_iso_2022_jp_from_euc_jp-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 139</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_iso_2022_jp_from_euc_jp</span>
  <span class="ruby-identifier">require</span> <span class="ruby-string">&quot;nkf&quot;</span>
  <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
    <span class="ruby-node">&quot;NKF.nkf(&#39;-Ej&#39;, #{value})&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_iso_8859_1_from_utf_8" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_iso_8859_1_from_utf_8</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_iso_8859_1_from_utf_8-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 152</span>
    <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_iso_8859_1_from_utf_8</span>
      <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">&lt;&lt;-EOC</span>
<span class="ruby-value">        array_utf8 = #{value}.unpack(&#39;U*&#39;)
        array_enc = []
        array_utf8.each do |num|
          if num &lt;= 0xFF
            array_enc &lt;&lt; num
          else
            array_enc.concat &quot;&amp;\#\#{num};&quot;.unpack(&#39;C*&#39;)
          end
        end
        array_enc.pack(&#39;C*&#39;)
</span><span class="ruby-identifier">        EOC</span>
      <span class="ruby-keyword">end</span>
    <span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_shift_jis_from_euc_jp" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_shift_jis_from_euc_jp</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_shift_jis_from_euc_jp-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 125</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_shift_jis_from_euc_jp</span>
  <span class="ruby-identifier">require</span> <span class="ruby-string">&quot;nkf&quot;</span>
  <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
    <span class="ruby-node">&quot;NKF.nkf(&#39;-Es&#39;, #{value})&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_shift_jis_from_utf_8" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_shift_jis_from_utf_8</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_shift_jis_from_utf_8-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 110</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_shift_jis_from_utf_8</span>
  <span class="ruby-identifier">def_uconv_convert_if_can</span>(<span class="ruby-string">&#39;u8tosjis&#39;</span>, <span class="ruby-string">&#39;Shift_JIS&#39;</span>, <span class="ruby-string">&#39;UTF-8&#39;</span>, <span class="ruby-string">&#39;-Ws&#39;</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_utf_8_from_euc_jp" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_utf_8_from_euc_jp</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_utf_8_from_euc_jp-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 106</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_utf_8_from_euc_jp</span>
  <span class="ruby-identifier">def_uconv_convert_if_can</span>(<span class="ruby-string">&#39;euctou8&#39;</span>, <span class="ruby-string">&#39;UTF-8&#39;</span>, <span class="ruby-string">&#39;EUC-JP&#39;</span>, <span class="ruby-string">&#39;-Ew&#39;</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_utf_8_from_iso_8859_1" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_utf_8_from_iso_8859_1</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_utf_8_from_iso_8859_1-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 146</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_utf_8_from_iso_8859_1</span>
  <span class="ruby-identifier">def_convert</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
    <span class="ruby-node">&quot;#{value}.unpack(&#39;C*&#39;).pack(&#39;U*&#39;)&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_to_utf_8_from_shift_jis" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_to_utf_8_from_shift_jis</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_to_utf_8_from_shift_jis-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 114</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_to_utf_8_from_shift_jis</span>
  <span class="ruby-identifier">def_uconv_convert_if_can</span>(<span class="ruby-string">&#39;sjistou8&#39;</span>, <span class="ruby-string">&#39;UTF-8&#39;</span>, <span class="ruby-string">&#39;Shift_JIS&#39;</span>, <span class="ruby-string">&#39;-Sw&#39;</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-def_uconv_convert_if_can" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">def_uconv_convert_if_can</span><span
                                class="method-args">(meth, to_enc, from_enc, nkf_arg)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="def_uconv_convert_if_can-source">
            <pre><span class="ruby-comment"># File rss-0.3.0/lib/rss/converter.rb, line 78</span>
    <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">def_uconv_convert_if_can</span>(<span class="ruby-identifier">meth</span>, <span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>, <span class="ruby-identifier">nkf_arg</span>)
      <span class="ruby-keyword">begin</span>
        <span class="ruby-identifier">require</span> <span class="ruby-string">&quot;uconv&quot;</span>
        <span class="ruby-identifier">def_convert</span>(<span class="ruby-value">1</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
          <span class="ruby-identifier">&lt;&lt;-EOC</span>
<span class="ruby-value">          begin
            Uconv.#{meth}(#{value})
          rescue Uconv::Error
            raise ConversionError.new(#{value}, &quot;#{to_enc}&quot;, &quot;#{from_enc}&quot;)
          end
</span><span class="ruby-identifier">          EOC</span>
        <span class="ruby-keyword">end</span>
      <span class="ruby-keyword">rescue</span> <span class="ruby-constant">LoadError</span>
        <span class="ruby-identifier">require</span> <span class="ruby-string">&#39;nkf&#39;</span>
        <span class="ruby-keyword">if</span> <span class="ruby-constant">NKF</span>.<span class="ruby-identifier">const_defined?</span>(<span class="ruby-value">:UTF8</span>)
          <span class="ruby-identifier">def_convert</span>(<span class="ruby-value">1</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">value</span><span class="ruby-operator">|</span>
            <span class="ruby-node">&quot;NKF.nkf(#{nkf_arg.dump}, #{value})&quot;</span>
          <span class="ruby-keyword">end</span>
        <span class="ruby-keyword">else</span>
          <span class="ruby-identifier">def_iconv_convert</span>(<span class="ruby-identifier">to_enc</span>, <span class="ruby-identifier">from_enc</span>, <span class="ruby-value">1</span>)
        <span class="ruby-keyword">end</span>
      <span class="ruby-keyword">end</span>
    <span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


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